	/*获取非行间样式*/
	function getStyle(obj,name){
		if(obj.currentStyle)
		{
			return obj.currentStyle[name];
		}
		else
		{
			return getComputedStyle(obj,false)[name];
		}
	}	
	function startMove(obj,attr,iTarget){
		clearInterval(obj.timer);
		obj.timer=setInterval(function(){
			var cur=0;
				if(attr='opacity')
				{
					cur=Math.round(parseFloat(getStyle(obj,attr))*100);
				}
				else
				{
					cur=parseInt(getStyle(obj,attr));
				}
			var speed=(iTarget -cur)/6;

			speed=speed>0?Math.ceil(speed):Math.floor(speed);

			if (cur==iTarget)
			{
				clearInterval(obj.timer);
			}
			else
			{
				if(attr=='opacity')
				{
					obj.style.filter='alpha(opacity:'+(cur+speed)+')';
					obj.style.opacity=(cur+speed)/100;
					document.getElementById('ipt').value=obj.style.opacity;
				}
				else
				{
					obj.style[attr]=cur+speed+'px';
				}
			}
		},30)
	}